This is like really sweet of you to come by.

It was so sweet of her to come to see us.

And you know, I thought it was so sweet of him.

I think it is very sweet of you to take so much time for them.

It was very sweet of you to come by then.

It was sweet of him, really, to try to make her feel better.

So sweet of you to have based all the characters on real people.

It was very sweet of him to take me out.

He once told me that he'd read all my books three times, which was very sweet of him.

It is very sweet of you to let me have your last afternoon.